1. Baeten, J.C.M., Mauw, S.: Delayed choice: an operator for joining Message Sequence Charts. In: FORTE 1994, Bern, Switzerland (1994)
2. Damm, W., Harel, D.: LSCs: Breathing Life into Message Sequence Charts. In: Third International Conference on Formal Methods for Open Object-Based Distributed Systems, FMOODS (1999)
3. Haugen, Ø.: Using MSC-92 Effectively in SDL 1995 with MSC in CASE. In: Seventh SDL Forum. North-Holland/Elsevier, Amsterdam (1995)
4. Haugen, Ø.: Converging MSC and UML Sequence Diagrams. Beyond the Standard UML 1999 – The Unified Modeling Language. Fort Collins, USA (1999)
5. Haugen, Ø., Møller-Pedersen, B., Weigert, T.: Structural Modeling with UML 2.0. In: Lavagno, L., Martin, G., Selic, B. (eds.) UML for Real. Kluwer Academic Publishers, Dordrecht (2003)